Installation manual
www.usaprocom.com
200020-01A12
NG
LP
Left Side of HeaterBack of Heater
NG
LP
Gas Inlet
Gas esté
INSTALLATION
CLEARANCES TO 
COMBUSTIBLES
 WARNING: You must main-
tain the minimum clearances. If 
possible, provide greater clear-
ances  from  oor,  ceiling,  and 
adjoining wall. Measure from 
outermost point of heater.
Note: This rebox can not be installed in an 
existing replace.  Install this  rebox  only in 
a  ProCom  Heating,  Inc.  mantel  accessory 
approved for this product.
Minimum Clearances For Side 
Combustible Material, Side Wall 
and Ceiling
A.  Clearance from the side of the replace to 
any combustible material and wall should 
not be less than 12" (see Figure 7).
B.  Clearance from the top of the replace to 
the ceiling must not be less than 48".
For changing from natural gas 
supply to propane supply:
1.  Remove bottom screw from cover plate 
located on left side of heater (see Figure 
4, page 11). Rotate to expose fuel selec-
tion device.
2.  For propane gas, press in knob using a at 
screwdriver with a blade the thickness of 
a quarter and turn knob counterclockwise 
 until the knob locks into the LP posi-
tion (see Figure 6). Fuel selection device 
must be locked in the LP position. Do not 
operate heater between locked positions.
3.  Rotate and close cover over fuel selection 
device and reinstall screw.
4.  Remove hex plug (with wrench provided) 
from  propane/LP  gas  inlet  of  regulator 
(see Figure 6). Install gas line into LP inlet 
of regulator. Use thread sealant to assure 
there are no leaks.
Figure 6 - Settings for Propane/LP Gas 
Selection
Figure 7 - Minimum Clearance for 
Combustible to Wall and Ceiling
Fuel Selector Knob
Gas 
Connection 
Fitting
Hex Plug










